On the first day the physical demands are high for the rookies as they are pushed to their limits with fitness assessments, and the teens are taught how to strip down a rifle correctly, as well as how to use their gas masks, before the platoon heads out for its first exercise.
The raw recruits of 19 Platoon continue their Army Phase 1 training, travelling to Catterick to spend three days and two nights out in the open.
The raw recruits are asked to confront the realities of soldiering, chief among them the fact that they will potentially be taking lives and risking their own.
19 Platoon heads for Otterburn in Northumberland for a final tactical exercise designed to utilise every aspect of their training and test them to the limit.
While the girls grapple with the reality of not seeing their parents for six weeks, the boys are already in trouble thanks to an illicit cigarette butt.